asyncio

A real migration from a pool of RQ worker processes to a single asyncio job engine: leases instead of a coordinator, batching instead of one request per job, the MySQL deadlock it caused, and load-test numbers.

A practical guide to migrating Python code from ThreadPoolExecutor to asyncio. Learn when to migrate, step-by-step refactoring patterns, common pitfalls, and how to handle blocking code that can't be made async.

Learn essential Python standard library modules and professional development tools including asyncio, testing, type checking, and package management for production-ready code.

Learn asynchronous programming in Python with asyncio, event loops, coroutines, and async/await. Build high-performance concurrent applications with modern Python.